Rebbetzin Chaya Mushkah Schneerson
(b. 1901), wife of the Lubavitcher Rebbe, passed away on the 22nd of
Shevat of the year 5748 (1988). For more on the Rebbetzin, see link
below. Chabad's annual international conference of sheluchot (woman "emissaries") is held on or near this
date.